CVE-2026-48610
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedUnder certain network configurations, a malicious actor with access to network could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceThis is an Improper Access Control vulnerability in UniFi OS devices where an attacker with network access can make unauthorized changes to affected devices under certain network configurations. The high CVSS score (8.1) suggests the lack of proper authorization checks allows privileged actions without proper authentication or authorization validation.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the UniFi OS versionAccess the UniFi Controller or SSH into the device and run the command to display the firmware/OS version (for example, via web UI at device settings or CLI command 'ubnt-sysctl' or similar system info command)Affected if The installed version falls within the affected version range for CVE-2026-48610, if known; otherwise, compare against vendor advisories for this CVE
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Check management interface exposureReview network configuration to determine if the UniFi OS management interface (typically ports 443, 8080, or device-specific ports) is accessible from untrusted or external network segmentsAffected if The management interface is reachable from networks that are not explicitly trusted or are exposed to the internet
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Verify firewall and access control rulesInspect the firewall rules or access control lists on the network or UniFi device to confirm whether management access is restricted to specific trusted IP addressesAffected if Firewall rules do not restrict management access to a defined list of trusted IPs, or no IP-based access control is configured
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Check for unauthorized configuration changesReview the UniFi device configuration logs or audit logs for any unexpected or unauthorized changes to device settings, user accounts, or network rulesAffected if There are configuration changes or administrative actions that were not performed by authorized administrators
A user is affected if their UniFi OS device runs a vulnerable version AND the management interface is accessible from untrusted networks without proper IP-based access restrictions.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataIsolate UniFi OS devices in a dedicated network segment, enforce strict firewall rules limiting management access to trusted IPs only, and apply vendor-provided patches when available. Review network configuration to minimize attack surface.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-48610 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-48610 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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